EP0722216A3 - Appareil et méthode de ciruit d'isolation linéaire à division de trajet - Google Patents

Appareil et méthode de ciruit d'isolation linéaire à division de trajet Download PDF

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Publication number
EP0722216A3
EP0722216A3 EP96300220A EP96300220A EP0722216A3 EP 0722216 A3 EP0722216 A3 EP 0722216A3 EP 96300220 A EP96300220 A EP 96300220A EP 96300220 A EP96300220 A EP 96300220A EP 0722216 A3 EP0722216 A3 EP 0722216A3
Authority
EP
European Patent Office
Prior art keywords
signal
path
optocoupler
transformer
primary winding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP96300220A
Other languages
German (de)
English (en)
Other versions
EP0722216A2 (fr
EP0722216B1 (fr
Inventor
Clifford E. Baker
Michael P. Khaw
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tektronix Inc
Original Assignee
Tektronix Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tektronix Inc filed Critical Tektronix Inc
Publication of EP0722216A2 publication Critical patent/EP0722216A2/fr
Publication of EP0722216A3 publication Critical patent/EP0722216A3/fr
Application granted granted Critical
Publication of EP0722216B1 publication Critical patent/EP0722216B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/38—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/273—Indexing scheme relating to amplifiers the DC-isolation amplifier, e.g. chopper amplifier, modulation/demodulation amplifier, uses inductive isolation means, e.g. transformers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/276—Indexing scheme relating to amplifiers the DC-isolation amplifier, e.g. chopper amplifier, modulation/demodulation amplifier, uses optical isolation means, e.g. optical couplers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/39—Different band amplifiers are coupled in parallel to broadband the whole amplifying circuit

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Networks Using Active Elements (AREA)
EP96300220A 1995-01-13 1996-01-11 Appareil et méthode de ciruit d'isolation linéaire à division de trajet Expired - Lifetime EP0722216B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US372545 1995-01-13
US08/372,545 US5517154A (en) 1995-01-13 1995-01-13 Split-path linear isolation circuit apparatus and method

Publications (3)

Publication Number Publication Date
EP0722216A2 EP0722216A2 (fr) 1996-07-17
EP0722216A3 true EP0722216A3 (fr) 1998-04-22
EP0722216B1 EP0722216B1 (fr) 2003-03-05

Family

ID=23468598

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96300220A Expired - Lifetime EP0722216B1 (fr) 1995-01-13 1996-01-11 Appareil et méthode de ciruit d'isolation linéaire à division de trajet

Country Status (6)

Country Link
US (1) US5517154A (fr)
EP (1) EP0722216B1 (fr)
JP (1) JP2811632B2 (fr)
KR (1) KR100366912B1 (fr)
CN (1) CN1101077C (fr)
DE (1) DE69626431T2 (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5834973A (en) * 1997-05-01 1998-11-10 Fluke Corporation Voltage isolation circuit for a measurement channel
US6169801B1 (en) 1998-03-16 2001-01-02 Midcom, Inc. Digital isolation apparatus and method
AU2002342150A1 (en) * 2001-10-30 2003-05-12 George S. Lesinski Implantation method for a hearing aid microactuator implanted into the cochlea
US6944559B2 (en) * 2002-11-22 2005-09-13 Tektronix, Inc. Channel isolation by switched grounds
US6933771B2 (en) * 2003-07-15 2005-08-23 Stanley D. Stearns Optically generated isolated feedback stabilized bias
US7592866B2 (en) * 2006-02-17 2009-09-22 Bae Systems Information And Electronic Systems Integration Inc. Widebrand differential amplifier including single-ended amplifiers coupled to a four-port transformer
JP5301081B2 (ja) * 2006-03-14 2013-09-25 日置電機株式会社 二重絶縁された電気計測機器
CN101350557B (zh) * 2007-07-18 2011-04-27 华为技术有限公司 一种电源调整装置
RU2499266C2 (ru) * 2008-05-23 2013-11-20 Фишер Контролз Интернешнел Ллс Схема обнаружения различных значений напряжения на базе оптрона
CN101551415B (zh) * 2009-03-30 2012-07-25 福建上润精密仪器有限公司 无源配电隔离器及0～20mA信号无源隔离器
FR2974909B1 (fr) * 2011-05-02 2013-05-31 Chauvin Arnoux Dispositif d'isolation galvanique
CN103353544B (zh) * 2012-06-15 2015-08-12 杭州祺来电子有限公司 分路线性隔离电路装置
WO2014060026A1 (fr) * 2012-10-17 2014-04-24 Rohde & Schwarz Gmbh & Co. Kg Procédé et dispositif pour un couplage à large bande et haute isolation
CN103884893B (zh) * 2012-12-20 2017-10-24 北京普源精电科技有限公司 一种分路线性隔离电路及其示波器
CN103884895B (zh) * 2012-12-20 2017-10-24 北京普源精电科技有限公司 一种多路线性隔离电路及其示波器
CN103884894B (zh) * 2012-12-20 2018-07-13 北京普源精电科技有限公司 一种改进的分路线性隔离电路及其示波器
JP6478647B2 (ja) * 2015-01-15 2019-03-06 横河電機株式会社 信号伝送装置
CN104901649B (zh) * 2015-06-11 2017-08-25 北京楚捷科技有限公司 一种微惯性测量信号的多功能冗余滤波电路
US10067165B2 (en) * 2015-09-04 2018-09-04 Ford Global Technologies, Llc Isolated differential voltage probe for EMI noise source
CN106706993B (zh) * 2017-01-23 2023-06-13 惠州三华工业有限公司 一种光耦电流检测电路
CN106849882B (zh) * 2017-01-23 2019-11-01 电子科技大学 一种基于人工神经网络的超宽带低噪声放大器
PL234634B1 (pl) * 2017-12-04 2020-03-31 Inst Tele I Radiotech Uniwersalny układ pomiarowy z izolacją galwaniczną
US11280811B2 (en) 2019-06-17 2022-03-22 Advanced Energy Industries, Inc. High side current monitor
CN110269634B (zh) * 2019-06-20 2023-09-12 上海联影医疗科技股份有限公司 隔离变换器、x射线产生设备及医学成像系统
CN110190837B (zh) * 2019-06-24 2024-03-15 镇江英创电力电子有限公司 一种隔离放大器装置
US11187730B2 (en) 2019-11-19 2021-11-30 Rohde & Schwarz Gmbh & Co. Kg Probe head, probe coupler and probe arrangement
CN111969994A (zh) * 2020-08-04 2020-11-20 中电科仪器仪表有限公司 一种基于磁场耦合的宽带模拟信号隔离传输电路
CN117590056B (zh) * 2024-01-15 2024-04-26 广州德肯电子股份有限公司 一种交直流信号隔离检测电路和检测装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3733514A (en) * 1971-03-19 1973-05-15 Tektronix Inc Wide band amplifier having two separate high and low frequency paths for driving capacitive load with large amplitude signal
US4346349A (en) * 1979-05-10 1982-08-24 Nippon Gakki Seizo Kabushiki Kaisha Multi-channel audio power amplifier
EP0475835A1 (fr) * 1990-09-14 1992-03-18 Sextant Avionique Circuit d'amplification à découpage pour la fourniture d'un courant proportionnel à une tension, et système de déflexion électromagnétique utilisant au moins un tel circuit
EP0476908A1 (fr) * 1990-09-19 1992-03-25 Matsushita Electric Industrial Co., Ltd. Circuit amplificateur

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3525041A (en) * 1966-08-08 1970-08-18 Tektronix Inc Magnetic field measuring method and device effective over a wide frequency range
US4482862A (en) * 1982-06-10 1984-11-13 The Charles Stark Draper Laboratory, Inc. Current sensor
JPS5992608A (ja) * 1982-11-19 1984-05-28 Oki Electric Ind Co Ltd 電力増幅回路
JPS59137710A (ja) * 1983-01-27 1984-08-07 Mitsubishi Electric Corp 液体燃料気化装置
JPS6090917U (ja) * 1983-11-28 1985-06-21 日本電気株式会社 増幅器切替回路
JPS601016U (ja) * 1984-05-16 1985-01-07 沖電気工業株式会社 アイソレ−シヨン増幅回路
CH662000A5 (fr) * 1985-02-05 1987-08-31 Lem Sa Transformateur d'intensite pour courant continu et alternatif.
JPH0272706A (ja) * 1988-09-07 1990-03-13 Yokogawa Electric Corp 絶縁増副装置
CA2009775C (fr) * 1989-03-04 1994-12-06 Brian E. Attwood Amplificateur audio a modulation d'impulsions en duree
US5121075A (en) * 1991-03-04 1992-06-09 Hewlett-Packard Co. Precision programmable attenuator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3733514A (en) * 1971-03-19 1973-05-15 Tektronix Inc Wide band amplifier having two separate high and low frequency paths for driving capacitive load with large amplitude signal
US4346349A (en) * 1979-05-10 1982-08-24 Nippon Gakki Seizo Kabushiki Kaisha Multi-channel audio power amplifier
EP0475835A1 (fr) * 1990-09-14 1992-03-18 Sextant Avionique Circuit d'amplification à découpage pour la fourniture d'un courant proportionnel à une tension, et système de déflexion électromagnétique utilisant au moins un tel circuit
EP0476908A1 (fr) * 1990-09-19 1992-03-25 Matsushita Electric Industrial Co., Ltd. Circuit amplificateur

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"L'ISOLEMENT: PROTECTION DES PERSONNES ET DES APPAREILS", ELECTRONIQUE RADIO PLANS, no. 522, 1 May 1991 (1991-05-01), pages 19 - 22, XP000229406 *
M.EMURA ET AL: "NOVEL TRACKING AMPLIFIER COMPOSED OF SWITCH AND COMPARATOR", INTERNATIONAL JOURNAL OF ELECTRONICS., vol. 56, no. 3, March 1984 (1984-03-01), LONDON GB, pages 379 - 385, XP002056780 *

Also Published As

Publication number Publication date
CN1101077C (zh) 2003-02-05
KR100366912B1 (ko) 2003-08-02
DE69626431D1 (de) 2003-04-10
EP0722216A2 (fr) 1996-07-17
CN1139213A (zh) 1997-01-01
JP2811632B2 (ja) 1998-10-15
EP0722216B1 (fr) 2003-03-05
US5517154A (en) 1996-05-14
KR960029796A (ko) 1996-08-17
DE69626431T2 (de) 2004-04-08
JPH08256027A (ja) 1996-10-01

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